2Cicero S V.An adaptive PLL tuning system arhitecture Combining high spectral purity and fast settling time[J].IEEE J.Solid-State Circuits,2000,35 (4):490-502.
3Cheng Kuo-Hsing and Yang Wei-Bin.A dual-slope phase frequency detector and charge pump architecture to achieve fast locking of phase-locked loop.IEEE CAS-Ⅱ,2003,50(11):892-896.
4Hanumolu P K,Brownlee M,and Moon Un-Ku.Analysis of charge-pump phase-lock loops[J].IEEE Trans.on Circuits and Systems I,2004,51 (9):1665-1674.
5Vauncher C and Kasperkovitz D.A wide-band tuning system for fully integrated satellite receivers[J].IEEE J.SolidState Circuits,1998,33 (7):987-998.
6Lee Joonsuk and Kim Beomsup.A low-noise fast-lock phase-locked loop with adaptive bandwidth control[J].IEEE J.Solid-State Circuits,2000,35 (8):1137-1145.
7Lee Jae-Shin,Keel Min-Sun,Lim Shin-Ⅱ,and Kim Suki.Charge pump with perfect current matching characteristics in phase-locked loops[J].Electronics Letters,2000,36(23):1907-1908.